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* socket: mark skbs as not on list when receiving via gro Certain drivers will pass gro skbs to udp, at which point the udp driver simply iterates through them and passes them off to encap_rcv, which is where we pick up. At the moment, we're not attempting to coalesce these into bundles, but we also don't want to wind up having cascaded lists of skbs treated separately. The right behavior here, then, is to just mark each incoming one as not on a list. This can be seen in practice, for example, with Qualcomm's rmnet_perf driver. This lead to crashes on OnePlus devices and possibly other Qualcomm 4.14 devices. But I fear that it could lead to issues on other drivers on weird OpenWRT routers. This commit is upstream in net-next as: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=736775d06bac60d7a353e405398b48b2bd8b1e54 Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
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